Compare 642021 vs 642028

Property	642021	642028
Type	semiprime	composite number
Unique factors	2	2
Total factors	2	3
Prime factorization	3¹ × 214007¹	2² × 160507¹
Prime factorization	3 × 214007	2 × 2 × 160507
Divisors count	4	6
Divisors	1, 3, 214007, 642021	1, 2, 4, 160507, 321014, 642028
Number of properties	1	0
Semiprimes	137555th
Roman numberals
Base 2	10011100101111100101₂	10011100101111101100₂
Base 3	1012121200120₃	1012121200211₃
Base 4	2130233211₄	2130233230₄
Base 5	131021041₅	131021103₅
Base 6	21432153₆	21432204₆
Base 7	5312532₇	5312542₇
Base 8	2345745₈	2345754₈
Base 9	1177616₉	1177624₉
Base 10	642021₁₀	642028₁₀
Base 11	3a93a6₁₁	3a9402₁₁
Base 12	26b659₁₂	26b664₁₂
Base 13	1962c3₁₃	1962ca₁₃
Base 14	129d89₁₄	129d92₁₄
Base 15	ca366₁₅	ca36d₁₅
Base 16	9cbe5₁₆	9cbec₁₆